import { projectApi } from '@/api'
import type { ImportProjectInput } from '@/api/project'
import i18n from '@/i18n'
import { state, clearError } from './state'

// composable 外全局 i18n 实例(非 setup 上下文)
const t = ((i18n as any).global.t as (k: string) => string).bind((i18n as any).global)

/** 项目 CRUD 子 store(共享全局 state) */
export function createProjectsStore() {
  async function loadProjects() {
    state.loading = true
    state.error = null
    try {
      state.projects = await projectApi.list()
    } catch (e: any) {
      state.error = e?.toString() ?? t('projects.err.loadFailed')
    } finally {
      state.loading = false
    }
  }

  async function createProject(name: string, description = '', ideaId?: string, path?: string, stack?: string) {
    try {
      const record = await projectApi.create({ name, description, idea_id: ideaId, path, stack })
      state.projects.push(record)
      return record
    } catch (e: any) {
      state.error = e?.toString() ?? t('projects.err.createFailed')
      return null
    }
  }

  /** 导入历史项目(选已存在目录,后端创建+绑定+探测栈+读 README 首段一步完成) */
  async function importProject(input: ImportProjectInput) {
    try {
      const record = await projectApi.importProject(input)
      await loadProjects() // 刷新列表(后端已 insert,统一走 load 避免本地数组与后端不一致)
      return record
    } catch (e: any) {
      state.error = e?.toString() ?? t('projects.err.importFailed')
      return null
    }
  }

  async function updateProject(id: string, field: string, value: string) {
    await projectApi.update(id, field, value)
    const idx = state.projects.findIndex(p => p.id === id)
    if (idx >= 0) {
      (state.projects[idx] as any)[field] = value
    }
  }

  /** 重定位项目目录(后端重探测 stack,返回最新记录并更新本地状态) */
  async function relocateProjectPath(id: string, newPath: string) {
    const record = await projectApi.relocatePath(id, newPath)
    const idx = state.projects.findIndex(p => p.id === id)
    if (idx >= 0) state.projects[idx] = record
    return record
  }

  async function deleteProject(id: string) {
    try {
      await projectApi.delete(id) // 软删 → 回收站(可恢复)
      state.projects = state.projects.filter(p => p.id !== id)
    } catch (e: any) {
      state.error = e?.toString() ?? t('projects.err.deleteFailed')
    }
  }

  async function loadDeletedProjects() {
    try {
      state.deletedProjects = await projectApi.listDeleted()
    } catch (e: any) {
      state.error = e?.toString() ?? t('projects.err.loadTrashFailed')
    }
  }

  async function restoreProject(id: string) {
    try {
      await projectApi.restore(id)
      state.deletedProjects = state.deletedProjects.filter(p => p.id !== id)
      await loadProjects() // 恢复后刷新活跃列表
    } catch (e: any) {
      state.error = e?.toString() ?? t('projects.err.restoreFailed')
    }
  }

  async function purgeProject(id: string) {
    try {
      await projectApi.purge(id) // 彻底删(级联物理删,不可恢复)
      state.deletedProjects = state.deletedProjects.filter(p => p.id !== id)
    } catch (e: any) {
      state.error = e?.toString() ?? t('projects.err.purgeFailed')
    }
  }

  return {
    loadProjects,
    createProject,
    importProject,
    updateProject,
    deleteProject,
    relocateProjectPath,
    loadDeletedProjects,
    restoreProject,
    purgeProject,
    // clearError 来自 state(供 barrel re-export)
    clearError,
  }
}